Kernel crashed at fs/buffer.c:1868!

Solution Verified - Updated -

Issue

  • kernel crashed with following logs:
[    0.000000] Command line: BOOT_IMAGE=/vmlinuz-3.10.0-1127.13.1.el7.x86_64 root=/dev/mapper/rootvg-rootlv ro crashkernel=auto rd.lvm.lv=rootvg/rootlv rd.lvm.lv=rootvg/swaplv net.ifnames=0 ipv6.disable=1 audit=1 LANG=en_US.UTF-8

[   66.001627] show_signal_msg: 61 callbacks suppressed
[   66.001697] splunkd[2100]: segfault at 7f4ee4510378 ip 00007f539b04874a sp 00007f538e9fd850 error 6 in libjemalloc.so.2[7f539b043000+4e000]
[   98.116566] ------------[ cut here ]------------
[   98.116702] kernel BUG at fs/buffer.c:1868!
[   98.116822] invalid opcode: 0000 [#1] SMP 
[   98.116968] Modules linked in: vmw_vsock_vmci_transport vsock sb_edac iosf_mbi crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd ppdev vmw_balloon sg pcspkr joydev parport_pc parport i2c_piix4 vmw_vmci binfmt_misc ip_tables xfs libcrc32c sr_mod cdrom ata_generic pata_acpi sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_intel serio_raw ata_piix nfit libata vmw_pvscsi libnvdimm vmxnet3 dm_mirror dm_region_hash dm_log dm_mod
[   98.118480] CPU: 0 PID: 1076 Comm: auditd Not tainted 3.10.0-1127.13.1.el7.x86_64 #1
[   98.118722] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 12/12/2018
[   98.118969] task: ffff948a71808000 ti: ffff9488faad4000 task.ti: ffff9488faad4000
[   98.119189] RIP: 0010:[<ffffffffb8888458>]  [<ffffffffb8888458>] __block_write_begin_int+0x5e8/0x650
[   98.119440] RSP: 0018:ffff9488faad7a50  EFLAGS: 00010206
[   98.119569] RAX: ffff948a03b38000 RBX: 0000000000001000 RCX: 0000000009450000
[   98.119714] RDX: ffff948a03b38000 RSI: 0000000000980000 RDI: ffff9488faad7bf0
[   98.119858] RBP: ffff9488faad7b00 R08: 0000000000001000 R09: 0000000000000088
[   98.120003] R10: fffff2bd06fc40c0 R11: 0000000000000000 R12: 0000000000000000
[   98.120147] R13: 0000000000001000 R14: 0000000000009450 R15: 0000000000000000
[   98.120291] FS:  00007faa444d9880(0000) GS:ffff948a75600000(0000) knlGS:0000000000000000
[   98.120515] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.120648] CR2: 00000000006dee20 CR3: 0000000036a32000 CR4: 00000000001607f0
[   98.120828] Call Trace:
[   98.120938]  [<ffffffffb87bf18c>] ? add_to_page_cache_lru+0x5c/0xb0
[   98.121076]  [<ffffffffb88ba069>] iomap_write_begin+0xc9/0x250
[   98.121210]  [<ffffffffb88ba495>] iomap_write_actor+0xd5/0x1f0
[   98.121345]  [<ffffffffb88ba3c0>] ? iomap_dirty_actor+0x1d0/0x1d0
[   98.121481]  [<ffffffffb88ba87a>] iomap_apply+0xba/0x160
[   98.121611]  [<ffffffffb88ba9c1>] iomap_file_buffered_write+0xa1/0xe0
[   98.121756]  [<ffffffffb88ba3c0>] ? iomap_dirty_actor+0x1d0/0x1d0
[   98.121925]  [<ffffffffc03597ed>] xfs_file_buffered_aio_write+0x12d/0x2c0 [xfs]
[   98.122155]  [<ffffffffc0359b0d>] xfs_file_aio_write+0x18d/0x1b0 [xfs]
[   98.122297]  [<ffffffffb884c6c3>] do_sync_write+0x93/0xe0
[   98.122427]  [<ffffffffb884d1b0>] vfs_write+0xc0/0x1f0
[   98.122555]  [<ffffffffb884df7f>] SyS_write+0x7f/0xf0
[   98.122684]  [<ffffffffb8d92ed2>] system_call_fastpath+0x25/0x2a
[   98.122818] Code: 09 b9 4c 89 55 98 44 89 4d a8 44 89 45 a0 e8 00 3a e1 ff 48 8b 55 b8 44 8b 45 a0 44 8b 4d a8 4c 8b 55 98 48 89 d0 e9 86 fb ff ff <0f> 0b 0f 0b 0f 0b 0f 0b e8 0b 36 e1 ff 8b 95 7c ff ff ff 8b 75 
[   98.124088] RIP  [<ffffffffb8888458>] __block_write_begin_int+0x5e8/0x650
[   98.124244]  RSP <ffff9488faad7a50>
[   98.124387] ---[ end trace 3d0519d7370367c4 ]---
[   98.124510] Kernel panic - not syncing: Fatal exception
[   98.124662] Kernel Offset: 0x37600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)

Environment

  • Red Hat Enterprise Linux 7
  • audit=1

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